Olimpiada · Yuzma-yuz · Qoʻshma Shtatlar
USA Biology Olympiad 2027 Open Exam — US hosts
Center for Excellence in Education
- 9–12-sinflar
- Toʻlov: $125 USD
Muddat: 22-noyabr, 202621 kun qoldiBatafsil
Olimpiada · Gibrid
USA Astronomy and Astrophysics Olympiad (USAAAO) 2027
Arizalar qabuli yaqinda
The national astronomy and astrophysics olympiad that selects and trains the U.S. team for the International Olympiad on Astronomy and Astrophysics (IOAA).
- Sinf
- 9–12
- Yosh
- Eʼlon qilinmagan
- Fuqarolik
- Qoʻshma Shtatlar
- Qatnashish
- Ochiq ariza
USAAAO promotes astronomy and astrophysics across the country through resources, online training and selection tests. Volunteers train the team by weekly video calls over the summer. At IOAA 2026 in Vietnam the U.S. team won 3 gold medals, 1 bronze and an honorable mention; at IOAA 2025 in Mumbai a U.S. student was the absolute winner. Past exams and solutions are posted on the site.
Mavzular
Tabiiy fanlarMatematika